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Gauss-rees parametric ultrawideband system

An object, primary technology, applied in the field of Gauss-Rees parametric ultra-wideband system, can solve problems such as failure

Inactive Publication Date: 2009-03-18
弗兰克 L 里斯
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although many people have tried to find a way to meet this need, they have not been completely successful

Method used

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  • Gauss-rees parametric ultrawideband system
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  • Gauss-rees parametric ultrawideband system

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Embodiment Construction

[0069] The new waveform has been named the "Gauss-Rees" waveform. This waveform can be characterized as follows.

[0070] Gauss-Rees waveforms and their associated quasi-Ricker wavelets:

[0071] The Gauss-Rees waveform has an analytical form given by the following equation.

[0072] ψ(t)=g 1 / 2 (t){1-(2at)exp[(1-(2at) 2 ) / 2]} 1 / 2 exp(iω 0 t)

[0073] Therefore, its real part is given by

[0074]

[0075] Among them, by letting the bandwidth of the envelope of the Gauss-Rees waveform take cycle / second = Hertz as the unit, such as ω 0 =2πf 0 , so that f in Hertz 0 Also determines the center frequency of the carrier of the Gauss-Rees waveform, and the constant "a" determines the time scale of the waveform. It should be noted that a direct current (DC) offset, denoted by a single value preceding the exponent within parentheses, is applied to not only achieve but also avoid greater than 100% amplitude modulation that would introduce sideband "jamming" of the carrier....

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Abstract

Gauss-Rees waveform utilization in identifying an object, includes: directing a primary acoustic waveform at the object to produce a nonlinear acoustic effect; receiving a secondary wavelet produced by the nonlinear effect; and processing the received secondary wavelet in identifying the object. The object is identified by composition, image, and preferably both. The object can be concealed in a container, underground, under water, or otherwise.

Description

[0001] priority statement [0002] This patent application is part of a series of applications claiming priority to U.S. Patent Application Serial No. 10 / 722,648 filed November 25, 2003 by the same applicant, and incorporated herein by reference, which claims November 27, 2002 Priority to U.S. Serial No. 60 / 429,763 filed on 1 / 22 / 2002 and incorporated herein by reference. technical field [0003] TECHNICAL FIELD is apparatus depending on implementation, methods of use, and methods of manufacture, and corresponding products produced therefrom, as well as data structures, computer-readable media tangibly embedded with program instructions, manufacture, and necessary media for the foregoing, each of which is discussed below. Guass-Rees parametric UWB systems. Background technique [0004] To illustrate the challenge of identifying unknown objects, consider the task of locating lethal materials of mass destruction, explosives, narcotics, or other dangerous, contraband, legally p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B42/06G01S15/00
CPCG01N2291/02491G01N2291/0422G01N29/4454G03B42/06G01N2291/02827G01N29/46G01N29/07
Inventor 弗兰克·L·里斯
Owner 弗兰克 L 里斯
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